<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>背景效果</title>
    <style>
        a:link{
            display: block;
            width: 93px;
            height: 29px;
            background-image: url("./img/背景图片效果/link.png");
        }
        a:hover{
            background-image: url("img/背景图片效果/hover.png");
        }
        a:active{
            background-image: url("img/背景图片效果/active.png");
        }
    </style>
</head>
<body>
    <a href="javascript:;"></a>
</body>
</html>